Cross of Pythagoras



FIG. 1 is an orthogonal perspective view of the Cross of Pythagoras;

FIG. 2 is a front view of the Cross of Pythagoras;

FIG. 3 is a rear view of the Cross of Pythagoras;

FIG. 4 is a supine left side view of the Cross of Pythagoras; right side view is a mirror image of left side view; and,

FIG. 5 is a top view of the Cross of Pythagoras; design appears the same from the bottom as from the top. 

The ornamental design for a Cross of Pythagoras, as shown. 